-4m + 8 = -4m - 8 ;solve for m
-2y - 5 = 5y + 9 ;solve for y

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?